Question

Factorise y^3-3y^3-9y-5

Answer 1

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y³ - 3y³ - 9y - 5

=> -2y³ - 9y - 5

=> -y(y² + 9) - 5

Answer 2

$\huge{\underline{\mathbb{\red{Answer}}}}$

$= > {y}^{3} - 3 {y}^{3} - 9y - 5$

$= > - 2y {}^{3} - 9y - 5$

$= > - y( {y}^{2} + 9 ) - 5$

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$\huge{\underline{\underline{\mathfrak{Thank you}}}}$